﻿namespace h1

{

    public class Math

    {

        public int A { get; set; }

        public int B { get; set; }

        public int GetRectangleArea()

        {

            return A * B;

        }

        public int GetRectangleCircumference()

        {

            return (A + B) * 2;

        }

    }

    internal class Program

    {

        static void Main()

        {



            var math = new Math();

            math.A = 20;

            math.B = 5;

            Console.WriteLine($"RectangleArea is {math.GetRectangleArea()}");

            Console.WriteLine($"RectangleCircumference is {math.GetRectangleCircumference()}");

        }

    }





}

